package ooday01;

public class ConsDemo1 {
    public static void main(String[] args) {
        /*
       Student1 zs = new Student1();
       Student1 ls = new Student1("李四",25);

       Student1 ww = new Student1("王五",80,"jsd2302","001");


       zs.sayHi();
       ls.sayHi();
       ww.sayHi();

         */


        Student1 zs = new Student1();
        Student1 ls = new Student1("李四",18);
        Student1 ww = new Student1("王五",15,"jsd2302","002");

        zs.sayHi();
        ls.sayHi();
        ww.sayHi();



    }
}
